---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1602 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 563 1100 0 2280 3114 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:da:88:a6 brd ff:ff:ff:ff:ff:ff inet 10.32.6.106/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86037sec preferred_lft 86037sec inet6 fe80::f816:3eff:feda:88a6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1602) 05/24/25 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 136.46 54.04 82.42 3556.34 7744.71 23:20:01 81.19 29.75 51.44 1630.53 10230.96 23:21:01 8.62 0.00 8.62 0.00 383.80 23:22:01 36.79 10.45 26.35 719.61 3132.01 23:23:01 41.39 6.53 34.86 186.90 8438.73 Average: 60.89 20.15 40.74 1218.68 5986.04 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 1790772 3362396 2247872 55.66 50676 1676180 602532 11.84 537076 1536012 169180 23:20:01 1473988 3210708 2564656 63.50 57824 1826648 740912 14.56 703524 1670940 4632 23:21:01 1467816 3210108 2570828 63.66 59340 1830080 744872 14.64 704684 1673792 1440 23:22:01 596592 2448912 3442052 85.23 61840 1933744 1433540 28.18 1498632 1738596 1736 23:23:01 1167696 3220224 2870948 71.09 65712 2124692 665552 13.08 857332 1802624 2812 Average: 1299373 3090470 2739271 67.83 59078 1878269 837482 16.46 860250 1684393 35960 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 ens3 367.89 245.94 1634.86 69.32 0.00 0.00 0.00 0.00 23:19:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 23:20:01 ens3 119.46 119.85 767.14 24.11 0.00 0.00 0.00 0.00 23:20:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:21:01 ens3 46.89 67.89 50.23 10.90 0.00 0.00 0.00 0.00 23:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:22:01 ens3 234.69 264.62 1339.03 41.05 0.00 0.00 0.00 0.00 23:22:01 lo 74.42 74.42 27.72 27.72 0.00 0.00 0.00 0.00 23:23:01 ens3 530.36 416.40 1470.09 174.75 0.00 0.00 0.00 0.00 23:23:01 lo 45.13 45.13 8.66 8.66 0.00 0.00 0.00 0.00 Average: ens3 259.86 222.94 1052.27 64.03 0.00 0.00 0.00 0.00 Average: lo 24.44 24.44 7.33 7.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1602) 05/24/25 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 21.33 0.00 1.55 3.82 0.06 73.25 23:19:01 0 12.46 0.00 1.36 4.22 0.08 81.87 23:19:01 1 9.01 0.00 0.89 0.86 0.03 89.21 23:19:01 2 37.70 0.00 2.57 7.31 0.08 52.34 23:19:01 3 26.34 0.00 1.40 2.92 0.05 69.28 23:20:01 all 13.09 0.00 0.73 1.34 0.05 84.79 23:20:01 0 10.81 0.00 0.42 0.10 0.07 88.61 23:20:01 1 10.79 0.00 0.33 0.72 0.05 88.11 23:20:01 2 10.26 0.00 0.90 2.18 0.05 86.61 23:20:01 3 20.46 0.00 1.25 2.34 0.07 75.88 23:21:01 all 2.95 0.00 0.17 0.05 0.03 96.80 23:21:01 0 4.35 0.00 0.03 0.00 0.02 95.60 23:21:01 1 0.93 0.00 0.07 0.00 0.02 98.98 23:21:01 2 3.89 0.00 0.37 0.10 0.05 95.60 23:21:01 3 2.67 0.00 0.22 0.10 0.02 97.00 23:22:01 all 34.03 0.00 1.12 0.41 0.08 64.37 23:22:01 0 36.30 0.00 1.02 0.08 0.08 62.52 23:22:01 1 35.20 0.00 0.90 0.20 0.07 63.63 23:22:01 2 35.83 0.00 1.46 0.74 0.08 61.89 23:22:01 3 28.79 0.00 1.08 0.63 0.07 69.43 23:23:01 all 25.97 0.00 1.15 0.37 0.06 72.44 23:23:01 0 25.06 0.00 1.05 0.45 0.05 73.38 23:23:01 1 29.33 0.00 0.82 0.08 0.05 69.72 23:23:01 2 25.87 0.00 1.52 0.17 0.07 72.38 23:23:01 3 23.64 0.00 1.21 0.77 0.07 74.32 Average: all 19.47 0.00 0.94 1.20 0.06 78.33 Average: 0 17.80 0.00 0.78 0.97 0.06 80.39 Average: 1 17.03 0.00 0.60 0.37 0.04 81.96 Average: 2 22.71 0.00 1.37 2.10 0.07 73.76 Average: 3 20.38 0.00 1.03 1.35 0.05 77.19